????:1??????:??????????

2?????

3??????

4??????????

5???????????

?????????????????11??????????27????????????????? (? ?)?27??,?,??????????,???

???????,???????????????????????????????????????(??)?????????

???????????????????20?????????????????????????,??11????????????22????????,??????70??,??6?????????????????????

?300????????????,???8.6%??????????8.7%?????????????????????,?????,????(???????) ??????????????????????:????????????